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Finding the Fourth Proportional to 259,299.25, 388,948.88 and 62,307.25

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Solution

The fourth proportional to 259,299.25, 388,948.88 and 62,307.25 is: 93,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,299.25 : 388,948.88 = 62,307.25 : x
  2. Step 2: Convert to fraction form
    259,299.25/388,948.88 = 62,307.25/x
  3. Step 3: Cross multiply
    259,299.25x = 388,948.88 × 62,307.25
  4. Step 4: Simplify right side
    259,299.25x = 24,234,335,103.38
  5. Step 5: Solve for x
    x = 24,234,335,103.38/259,299.25
  6. Step 6: Final answer
    x = 93,460.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.